EVALUASI PEMANFAATAN LIMBAH CAIR PABRIK KELAPA SAWIT DENGAN METODE LAND APPLICATION OLEH PT. SRIWIJAYA PALM OIL INDONESIA PADA LAHAN PT. PERKINDO MAKMUR

IZHAR, MUHAMMAD and Bambang Prayitno, Muh. and Zia Ulqodry, T. (2025) EVALUASI PEMANFAATAN LIMBAH CAIR PABRIK KELAPA SAWIT DENGAN METODE LAND APPLICATION OLEH PT. SRIWIJAYA PALM OIL INDONESIA PADA LAHAN PT. PERKINDO MAKMUR. Masters thesis, Sriwijaya University.

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Abstract

The palm oil industry in Indonesia has demonstrated significant growth in recent decades, establishing itself as one of the most rapidly developing economic sectors. Alongside increasing global demand for palm oil, Indonesia has become the world's leading producer. As a strategic agricultural sector industry, palm oil thrives in tropical countries such as Indonesia, Malaysia, and Thailand, playing a vital role in enhancing foreign exchange earnings, labor absorption, and the national economy. However, the expansion of this industry also poses serious environmental challenges, particularly concerning waste management, as palm oil mills generate hazardous liquid waste. Palm Oil Mill Effluent (POME), characterized by its polluting potential if improperly managed, must be treated in wastewater treatment plants before discharge into the environment. Alternatively, it can be repurposed due to its high organic content, including nutrients like Nitrogen, Phosphorus, and Potassium. Treating POME is crucial for safeguarding human health and the environment, with biologically based treatment methods being the primary environmentally friendly choice. Land application as a method for utilizing palm oil mill effluent holds potential for mitigating the negative impacts of POME by leveraging its nutrient content to support plant growth. Applying POME to land can also improve certain chemical properties of acidic mineral soils (Ultisols) around flatbeds or trenches. Implementing land application as an organic fertilizer can further increase plantation productivity by up to 30% and demonstrates the feasibility of utilizing POME as a growth medium for microalgae. Nevertheless, it is essential to recognize that POME use can also affect surface water and soil quality, necessitating appropriate management practices. This research explores the impact of POME application via the land application method by PT. Sriwijaya Palm Oil Indonesia (PT. SPOI) on the local ecosystem, specifically on the land of PT. Perkindo Makmur located near the operational site. The focus is on effluent quality, surface water quality, and groundwater quality in monitoring wells surrounding the activity area.. The total capacity of the wastewater treatment plant (WWTP) ponds used by PT. SPOI occupies an area of approximately 28,000 m² (3.2%) of the total land area. The WWTP comprises 7 treatment ponds utilizing anaerobic and aerobic systems, with a total holding capacity of approximately 180,064 m³. The land application site is the oil palm plantation of PT. Perkindo Makmur in Block (E9-E10), with a capacity of 92,603 m³, located approximately 1.5 km from the mill, traversing the Gasing River. The piping used has a diameter of 6 inches, made of HDPE type, with a spacing of 16 meters between channels. Two pumps were utilized, with capacities of 80 m³/hour and 60 m³/hour. The dimensions of the land application channels are 230 m x 1.5 m x 0.6 m. Effluent samples for land application were collected from the contact pond (the sixth pond) of the WWTP. Surface water samples were taken at upstream and downstream locations of the Gasing River in Banyuasin Regency, near PT. SPOI. Groundwater samples were collected from three monitoring well locations. Samples were analyzed in a laboratory accredited by the National Accreditation Committee (KAN). This research employs both primary and secondary data. Field observations were conducted to directly observe the wastewater management system process at PT. SPOI, including utilization via land application on PT. Perkindo Makmur's land. The study was conducted from June 2024 to March 2025 Laboratory test results were compared against Government Regulation No. 22 of 2021 concerning the Implementation of Environmental Protection and Management. Based on the research findings, the following conclusions can be drawn: 1. The WWTP system at PT. SPOI meets the standards of Minister of Environment and Forestry Regulation No. 05/2021, achieving BOD reduction efficiencies of 68.10% (October) and 64.74% (November). The effluent outlet meets the quality standards for land application (BOD < 5,000 mg/L, pH 6-9). 2. The utilization of POME via the land application method by PT. SPOI did not have a significant impact on surface water or groundwater quality. All analyzed parameters met the required quality standards except for pH. 3. Utilizing POME through land application increased Fresh Fruit Bunch (FFB) palm oil production by 14.64% compared to land without POME application.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Land Application, POME, Quality of water surface
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD194-195 Environmental effects of industries and plants
Divisions:	11-Postgraduates Study > 95129-Environment Management (S2)
Depositing User:	Muhammad Izhar
Date Deposited:	29 Jul 2025 01:31
Last Modified:	29 Jul 2025 01:31
URI:	http://repository.unsri.ac.id/id/eprint/181037

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